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Blue HPHT Synthetic Diamond Over 10 Carats

Terry Poon and Wuyi Wang, January 27, 2017

Results from GIA’s recent testing of a 10.08 ct blue HPHT synthetic diamond, the largest HPHT synthetic recorded to date.

CVD Synthetic Diamond Over 5 Carats Identified by GIA

Billie “Pui Lai” Law and Wuyi Wang, January 27, 2017

Results from GIA’s recent testing of a 5.19 ct CVD synthetic diamond, the largest it has examined to date.

Mixing of Natural Diamonds with HPHT Synthetic Melee

Terry Poon, Carmen Lo, and Billie Law, January 27, 2017

Screening reveals a surprise within a batch of synthetic diamond melee.